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| Number | Title | Issue Date |
| 7326376 | Method and device for controlling the composition of the cellulose containing extrusion solution in the lyocell process A method of regulating the composition of the cellulose-containing extrusion solution in the production of cellulosic molded articles, whereby (a) cellulose is mixed with an aqueous amine oxide solution; (b) the mixture is converted to the extrusion solution by evap... | 02/05/2008 |
| 6902804 | Lyocell multifilament The present invention relates to a high tenacity, high modulus and low shrinkage lyocell multifilament yarn suitable for use in tire cords and MRG (mechanical rubber goods). The lyocell multifilament yarn is a cellulose-based fiber for industrial applications, which... | 06/07/2005 |
| 6896725 | Aldehyde-containing polymers as wet strength additives The invention concerns the use of a water-soluble or water-dispersible polymer having a molecular weight of at least 800, containing at least 5 aldehyde groups per molecule and at least 1 carboxyl group per molecule, the ratio of aldehyde groups to carboxyl groups b... | 05/24/2005 |
| 6893492 | Nanocomposites of cellulose and clay This invention relates to a process of forming a nanocomposite of cellulose with a clay material that is used as the nanofiller material. The nanocomposites show significant improvements in thermal properties when compared to unbleached cotton and cotton processed u... | 05/17/2005 |
| 6812270 | Process of producing highly homogeneous cellulose solution Disclosed is a process of producing a highly homogeneous cellulose solution, in which a mixture of powdered cellulose with polyvinyl alcohol powder is fed in conjunction with concentrated liquid NMMO into a kneader or an extruder to produce the highly homogeneous ce... | 11/02/2004 |
| 6797117 | Low viscosity bilayer disrupted softening composition for tissue paper Disclosed is a composition for softening a wet laid cellulosic structure. A particularly preferred structure is an absorbent tissue. Further disclosed are tissue structures softened using the composition. The composition includes an effective amount of a softening a... | 09/28/2004 |
| 6488876 | Composition containing fine solid particles The invention relates to a composition intended to be admixed to a moldable solution of cellulose in an aqueous tertiary amine oxide, which composition consists of solid particles, a mixture of a tertiary amine oxide and water, in which the solid particles ... | 12/03/2002 |
| 6174358 | Method for producing cellulose particles A method for producing cellulose particles whereby a cellulose solution is dispersed in a regenerant or nonsolvent and the cellulose is regenerated or precipitated in dispersed form into cellulose particles.... | 01/16/2001 |
| 5993710 | Cellulosic molding process and cellulosic moldings The invention pertains to a process for manufacturing cellulose molded mers wherein a solution dissolved in amine oxides is shaped in a nozzle and the shaped solution is led after an air gap into a precipitation medium. The molded solution is passed succ... | 11/30/1999 |
| 5980626 | Aqueous compositions for stripping paints and primers with a high degree of crosslinking This composition for stripping paints coating a substrate, in particular for stripping paints and primers with a high degree of crosslinking, in particular of the epoxy, polyurethane and alkyd type, is characterized in that it consists of or comprises: (A... | 11/09/1999 |
| 5942029 | Mechanically bonded fiber mulch A mechanically-bonded, water-absorbent fiber mulch including natural and crimped synthetic fibers that are intimately mixed to form a mechanically-bonded fiber mulch.... | 08/24/1999 |
| 5821271 | Water absorbing porous articles The present invention comprises a metal complex capable of being dispersed in or alternatively, formed in a water-absorbing article having one or more metal ions situated within a sponge, at least one chelating polymer chelated to the transition metal ion... | 10/13/1998 |
| 5795522 | Cellulose fibre This invention relates to a process for the production of a cellulose molded body according to the amine-oxide process, which results in a molded body having reduced and effectively controllable fibrillation properties.... | 08/18/1998 |
| 5792399 | Formed shape made of regenerated cellulose and process for its production A molding, particularly a fiber or foil molding, of cellulose regenerated an amino-oxide process provides that the cellulose contains 0.02 to 30% mass of a polyalkylene imine derivative. In addition to improved stabilization of the molding compound, the ... | 08/11/1998 |
| 5779782 | Mechanically bonded fiber mulch and process for producing same A mechanically-bonded, water-absorbent fiber mulch including natural and crimped synthetic fibers that are intimately mixed to form a mechanically-bonded fiber mulch. A water-absorbent polymer-based material is dispersed throughout the fiber mulch to incr... | 07/14/1998 |
| 5541233 | Durable anti-microbial agent A water absorbing porous article comprising a sponge and a metal complex is disclosed The metal complex comprises a metal ion, at least one chelating polymer chelated to the metal ion and at least one potentiator chelated to the metal ion. The chelating p... | 07/30/1996 |
| 5456748 | Premix storage hopper A premix storage hopper for storing a hot, viscous, paste-like mixture containing cellulose dispersed in a solution of tertiary amine oxide and water, comprises a vertical contain having a central shaft rotatable about a vertical axis and carrying stirrin... | 10/10/1995 |
| 5126146 | Cellulosic coating A microporous, cellulosic coating useful in combination with osmotically controlled drug delivery devices is disclosed. In one embodiment, this coating results from application to core tablets of a coating dispersion comprised of a synthetic latex formed ... | 06/30/1992 |
| 4981515 | High functional regenerated cellulose composition A regenerated cellulose composition having excellent adsorptivity and flame resistance prepared by a process in which viscose, a solvent-adsorbing active carbon in the form of an aqueous dispersion and a specific phosphorus flame retarder are extruded int... | 01/01/1991 |
| 4906389 | Method for reducing piston deposits Piston deposits resulting from neutralizing combustion acids present in the lubricating oil circulating within the lubrication system of an internal combustion engine are reduced or eliminated by first contacting the acids with a soluble weak base in the ... | 03/06/1990 |
| 4735658 | Novel water-insensitive materials intended for public works; process and chemical composition for their obtention The invention describes a novel material intended for use in public works, constituted by a mixture of granular, alluvial or clay soils, of hydrophilic polymers and cationic hydrophobating additives, wherein this material presents a high insensitivity to ... | 04/05/1988 |
| 4639477 | Process for coloring high-molecular organic material, and novel metal complexes of oxime(s) of o-hydroxy benzaldehyde(s) and ketone(s) Process for mass-coloring high-molecular organic material, which comprises using a metal complex of the formulae I and/or Ia ##STR1## in which R is a hydrogen or chlorine atom or a methyl or methoxy group, R1 is a hydrogen atom, C1 | 01/27/1987 |
| 4613631 | Crosslinked polymers for enhanced oil recovery Polymers used in enhanced oil recovery operations, including polysaccharides, polyamides and cellulose derivatives may be crosslinked by the use of organic nitrogen compounds bearing at least two positively charged nitrogen atoms. Suitable crosslinking ag... | 09/23/1986 |
| 4597798 | Method for dissolving cellulose in organic solvents and resulting cellulose solutions Method for preparing a cellulose solution wherein cellulose is dissolved in a mixed solvent which is consisted essentially of an aliphatic quaternary ammonium halide, containing a lower alkyl group and a halogen, and an organic solvent capable of dissolvi... | 07/01/1986 |
| 4369064 | Non-inflammable foamable molding compositions Ethylene diammonium phosphates are excellent catalysts for particularly those intumescent agents which do otherwise not easily foam when exposed to heat.... | 01/18/1983 |
| 4290815 | Use of co-solvents in amine N-oxide solutions This invention relates to the use of certain co-solvents in cellulose amine N-oxide solutions, which co-solvents increase the cellulose dissolution rate; lower the temperatures necessary to reasonably form a solution; lower the viscosity of the solution; ... | 09/22/1981 |
| 4264364 | Thermally stable smoke suppressant additives to polymeric compositions A polymer composition which includes, as a smoke suppressing additive, a complex of a Friedel-Crafts halide compound with an organic compound selected from the group which includes quaternary ammonium compounds, quaternary phosphonium compounds, tertiary ... | 04/28/1981 |
| 4177177 | Polymer emulsification process A polymer emulsification process comprising intimately dispersing a liquified water insoluble polymer phase in an aqueous liquid medium phase containing at least one nonionic, anionic or cationic oil-in-water functioning emulsifying agent, in the presence... | 12/04/1979 |
| 4051101 | Halogenated isothiuronium salts as flame retardants Compounds of the formula ##STR1## wherein each X is independently selected from a group consisting of hydrogen, chlorine, bromine, alkyl, and haloalkyl, said alkyl containing 1 to 6 carbon atoms and said haloalkyl of 1 to 6 carbon atoms containing 1 ... | 09/27/1977 |
| 4022631 | Process for producing regenerated cellulosic articles Cellulosic articles are regenerated from a cellulosic solution formed by the addition of cellulosic material to dimethyl sulfoxide and formaldehyde or paraformaldehyde by contacting the cellulosic solution with an aqueous solution having a pH greater than... | 05/10/1977 |
| 4011089 | Phosphazene composition A phosphazene composition is prepared by reacting a fully hydrocarboxylated phosphazene with a partially hydrocarboxylated phosphazene under conditions whereby an organic halide is evolved, in which at least one of the fully and partially hydrocarboxylate... | 03/08/1977 |
| 3986882 | Flame retardant regenerated cellulose filaments containing polymeric phosphazenes Regenerated cellulose filaments having dispersed therein a flame-retardant amount of phosphonitrilic esters containing a substantial amount of cyclic structures, dimerized, oligomerized, or polymerized, that are prepared by esterification of a phosphonitr... | 10/19/1976 |
| 3974251 | Production of flameproof fibers of regenerated cellulose Flame-retardant fibers of regenerated cellulose are produced by adding one or more flame-retardant phosphorus compounds to the viscose, extruding the viscose into a spinning bath and, if desired, stretching and after-treating the resulting filaments or st... | 08/10/1976 |
